DOT 3AL Cylinders - Held to standards managed by the US Department of Transportation Pipeline and Hazardous Materials Safety Administration, Submersible Systems' cylinders have been tested to meet DOT Specifications for 3AL Cylinders made of 6061 aluminum. Every cylinder is stamped after testing and is required to be re-tested every 5 years. For more information, visit the DOT PHMSA website.

Approved Military Supplier - Our cylinders have undergone rigorous ballistics testing to verify the effects of our pressurized tanks in the event of a projectile penetration. View a list of military organizations that have utilized our product.

The standards created and managed by the International Organization for Standardization are used by governments and industry worldwide as a measure for quality, environmental friendliness, safety, reliability, efficiency and interchangeability that are economic viable. For more, visit the ISO.org website.